Reducing engine emission on an engine with electromechanical...

Details Reducing engine emission on an engine with electromechanical... Reducing engine emission on an engine with electromechanical...

2007-01-23

2007-01-23

Kwon, John T. (Department: 3747)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S322000, C123S347000

Reexamination Certificate

active

11339175

ABSTRACT:
A system and method to control engine valve timing to improve the start of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine.

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